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In 2013 US Aggregates expanded their portfolio of products by offering a variety of Industrial minerals for specialized industries. These raw materials include high purity dolomitic sand, and high-purity ground calcium carbonate. The Industrial Minerals division has allowed the company to spread its wings in more directions to fulfill the needs of a wide variety of industries that require fine grind minerals with specific chemistry and physical characteristics.
Eric Reynolds contributes more than twenty-five years of experience in the aggregates industry and over seven of those years have been spent working with US Aggregates to help shape their expanding portfolio of industrial mineral products. He began at their Portland operation and more recently brought his expertise to Midwest Calcium Carbonates as the Area Manager in their Industrial Mineral Division.
Midwest Calcium Carbonate (MCC), based in Deer Creek, Indiana, specializes in the mining and processing of ground calcium carbonate. Extracted on site from their Deer Creek quarry, this high-purity calcium carbonate is processed and then shipped to customers who make specialty products that include sealants, adhesives, caulks, mastics, floor coverings and compounds. MCC operation specializes in producing fine-grind products and ships in bulk, packaged or super sacks.
Dolomitic sand is extracted from US Agg’s Portland, Indiana site and supplies products ideally suited for the glass industry. The dolomite sand is combined with silica sand, limestone and other chemicals to make specialized products such as float glass, container glass, fiberglass and windshield glass for the automotive industry. Portland is particularly known for its golf trap sand, which can be found in over 28 golf courses throughout Indiana. Portland Fine Grind operation specializes in producing fine-grind products and ships in bulk, packaged or super sacks.
Six Sigma and Lean principles drive the performance of our operations and the production of our products. Our customers depend on our team to produce consistent, predictable products. As the material is crushed, dried, and screened to the specified size, samples are taken at each phase of the process to ensure material meets desired physical and chemical specifications. Once the material passes our rigorous quality testing, it is ready to be shipped to the customer.
Our reliable delivery process begins with understanding the schedule you need to keep. Our production and dispatching teams will partner with your team to coordinate timely delivery, utilizing proven haulers.
We educate all of our stakeholders on the importance of following best practices and procedures. We use root cause analysis and employee engagement to continuously improve our processes. Every customer is provided with Safety Data Sheets (SDS) that illustrate proper usage. All potential hazards are addressed and mitigated.
Paper, Plastics, Paints, and Coatings: Calcium carbonate is the most widely used mineral in the paper, plastics, paints, and coatings industries, both as a filler – and due to its special white color – as a coating pigment. As an extender, calcium carbonate can represent as much as 30% by weight in paints. Calcium carbonate is also used widely as a filler in adhesives and sealants.
Personal Health and Food Production: Calcium carbonate is widely used as an effective dietary calcium supplement, antacid, phosphate binder, or base material for medicinal tablets. It also is found on many grocery store shelves in products such as baking powder, toothpaste, dry-mix dessert mixes, dough, and wine. Calcium carbonate is the active ingredient in agricultural lime and is used in animal feed. Calcium carbonate also benefits the environment through water and waste treatment.
Building Materials and Construction: Calcium carbonate is critical to the construction industry, both as a building material and as an ingredient of cement. It contributes to the making of mortar used in bonding bricks, concrete blocks, stones, roofing shingles, rubber compounds, and tiles. Calcium carbonate decomposes to form carbon dioxide and lime, an important material in making steel, glass, and paper. Because of its antacid properties, calcium carbonate is used in industrial settings to neutralize acidic conditions in both soil and water.
Animal Feed Supplements and Industrial Applications: Dolomitic carbonates are used as a source of magnesia (MgO), a feed additive for livestock, a sintering agent and flux in metal processing, and as an ingredient in the production of bricks and ceramics.
Glass: We pride ourselves on the quality and consistency of our long-term dolomitic reserves, perfect for producing materials critically needed in the glass making process. Our material has low chemical variability, uniform particle size, and low decrepitation rates to maximize efficiencies in the glassmaking process. These characteristics contribute to fewer process adjustments while reducing both furnace fouling and energy costs.
MCC-200 is a 200 mesh, off white, low silica, high-quality natural calcium carbonate filler. MCC-200 industrial-grade filler is especially suitable...
MCC-325 is a 325 mesh, off white, low silica, high-quality natural calcium carbonate filler. MCC-325 industrial-grade filler is especially suitable...
Applications: specialty product used in iron ore production
Low iron glass-grade stone. Application: Used in the production of glass